The arithmetic mean of 7 consecutive int...

The arithmetic mean of 7 consecutive integers starting with 'a' is m. Then the arithmetic mean of 11 consecutive integers starting with 'a+2' is

A

2a

B

2m

C

a+4

D

m+4

Text Solution

Verified by Experts

Topper's Solved these Questions

STATISTICS
NEW JOYTHI PUBLICATION|Exercise EXSERCISE|34 Videos
SETS
NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|21 Videos
STRAIGHT LINES
NEW JOYTHI PUBLICATION|Exercise QUESTIONS FROM COMPETITIVE EXAMS|122 Videos

Similar Questions

Explore conceptually related problems

Find the Arithmetic mean of the following data

The Arithmetic mean of integers from -5 to 5 is …………… .

How many consecutive odd integers beginning with 5 will sum to 480?

The Arithmetic mean of 10 number is -7 . If 5 is added to every number, then the new arithmetic mean is …………… .

The random error in the arithmetic mean of 50 observations is 'a', then the random error in the arithmetic mean of 200 observations would be ............

The product of r consecutive positive integers is divisible by

NEW JOYTHI PUBLICATION-STATISTICS-QUESTIONS FROM COMPETITIVE EXAMS

If the variance of 1,2,3,4,5 , …., 10 is (99)/(12), then the standard ...
Text Solution
|
If ""^(n)C(8)=""^(n)C(2), find ""^(n)C(2).
Text Solution
|
The arithmetic mean of 7 consecutive integers starting with 'a' is m. ...
Text Solution
|
The mean and variance of n observations x(1),x(2),x(3),...x(n) are 5 a...
Text Solution
|
If the standard deviation of 3,8,6,10,12,9,11,10,12,7 is 2.71 , then t...
Text Solution
|
The A.M of 9 terms is 15. If one more term is added to this series , ...
Text Solution
|
If the average of the numbers 1,2,3,…., 98,99,x is 100x, then the valu...
Text Solution
|
If the median of (x)/(5),x,(x)/(4),(x)/(2),(x)/(3)(xgt0) is 8, then t...
Text Solution
|
The mean of five numbers is 0 and their variance is 2. If three of tho...
Text Solution
|
A batsman in his 16^(th) innings makes a score of 70 runs and thereby ...
Text Solution
|
If the variance of 1,2,3,4,5,….., x is 10, then the value of x is
Text Solution
|
Mean of 10 observations is 50 and their standard deviation is 10 If e...
Text Solution
|
If sum(i=1)^(9)(x(i)-5)=9andsum(i=1)^(9)(x(i)-5)^(2)=45, then the sta...
Text Solution
|
The standard deviation of 9,16,23,30,37,44,51 is
Text Solution
|
In a class of 100 students there are 70 boys whose average marks in a ...
Text Solution
|
In an experiment with 15 observation on x, the following results were...
Text Solution
|
The median of a set of a set of 9 distinct observations is 20.5 . If e...
Text Solution
|
Consider the following statements. (i) Mode can be computed from hi...
Text Solution
|
In a series of 2n observations , half of them equal a and remaining ha...
Text Solution
|
In a frequency distribution , the mean and median are 21 and 22 respec...
Text Solution
|